STA333IS datasheet(1/43 Pages) STMICROELECTRONICS

Il numero della parte	STA333IS

Spiegazioni elettronici	Sound Terminal 2-channel high-efficiency digital audio system

PDF	43 Pages

Scroll/Zoom	100%

Produttore elettronici	STMICROELECTRONICS [STMicroelectronics]

Homepage	http://www.st.com

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1 / 43 page

This is information on a product in full production.

March 2019

DocID022855 Rev 4

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43

STA333IS

Sound Terminal®

2-channel high-efficiency digital audio system

Datasheet

- production data

Features

 Wide-range supply voltage (4.5 V - 20 V)

 2 channels of ternary PWM (stereo mode)

 2 channels of 24-bit FFX™

 100 dB SNR and dynamic range

 Selectable 32- to 192-kHz input sampling rates

 Digital gain -80 dB to +48 dB in 0.5 dB steps

 Software volume update

 Individual channel and master gain/attenuation

 Individual channel and master software and

hardware mute

 Independent channel volume bypass

 Automatic zero-detect mute

 Automatic invalid input detect mute

 Short-circuit detection at startup (Out-Vcc, Out-

Gnd, Out 1b-Out 2a)

 2-channel I2S input data interface

 2 Hz DC cut filter (input)

 Input channel mapping

 Automatic volume control for limiting maximum

power

 96 kHz internal processing sampling rate,

24-bit precision

 Advanced modes for AM interference

frequency switching and noise suppression

 Embedded thermal-overload and short-circuit

protection

 Video application: 576 * f

S input mode support

Applications

 LCDs

 DVDs

 Cradles

 Digital speakers

 Wireless-speaker cradles

Description

The STA333IS is an integrated circuit comprising

digital audio processing, digital amplifier control

and an FFX™ power output stage to create a

high-power, single-chip FFX solution for all-digital

amplification with high quality and high efficiency.

The STA333IS power section consists of four

independent half-bridge stages. Two channels

can be provided by two full bridges, delivering up

to 10 W + 10 W of power.

Also featured in the STA333IS are new advanced

modes for reducing AM radio interference. The

serial audio data input interface accepts all

possible formats, including the popular I2S format.

Two channels of FFX™ processing are provided.

The STA333IS is part of the Sound Terminal®

family that provides full digital audio streaming to

the speaker, offering cost effectiveness, low-

power dissipation and sound enrichment.

CSP 5x6 array

Table 1. Device summary

Order code

Package

Packaging

STA333IS

CSP 5x6 array

Tape and reel

www.st.com

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